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Imaging the stagnant slab by ocean bottom electromagnetic observation

Research Project

Project/Area Number 16075204
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Science and Engineering
Research InstitutionThe University of Tokyo

Principal Investigator

UTADA Hisashi  The University of Tokyo, 地震研究所, 教授 (70134632)

Co-Investigator(Kenkyū-buntansha) 上嶋 誠  東京大学, 地震研究所, 准教授 (70242154)
清水 久芳  東京大学, 地震研究所, 助教 (70302619)
小山 崇夫  東京大学, 地震研究所, 助教 (00359192)
後藤 忠徳  海洋研究開発機構, 地球内部変動研究センター, 研究員 (90303685)
笠谷 貴史  海洋研究開発機構, 地球内部変動研究センター, 研究員 (90373456)
Co-Investigator(Renkei-kenkyūsha) UYESHIMA Makoto  東京大学, 地震研究所, 准教授 (70242154)
SHIMIZU Hisayoshi  東京大学, 地震研究所, 助教授 (70302619)
KOYAMA Takao  東京大学, 地震研究所, 助教授 (00359192)
TOH Hiroaki  京都大学, 大学院・理学研究科, 准教授 (40207519)
GOTO Tadanori  京都大学, 大学院・工学研究科, 准教授 (90303685)
KASAYA Takafumi  海洋研究開発機構, 地球内部変動研究センター, 研究員 (90373456)
Research Collaborator TADA Noriko  海洋研究開発機構, 地球内部変動研究センター, 研究員 (00509713)
Project Period (FY) 2004 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥166,500,000 (Direct Cost: ¥166,500,000)
Fiscal Year 2008: ¥8,300,000 (Direct Cost: ¥8,300,000)
Fiscal Year 2007: ¥19,000,000 (Direct Cost: ¥19,000,000)
Fiscal Year 2006: ¥18,000,000 (Direct Cost: ¥18,000,000)
Fiscal Year 2005: ¥65,800,000 (Direct Cost: ¥65,800,000)
Fiscal Year 2004: ¥55,400,000 (Direct Cost: ¥55,400,000)
Keywords地球深部スラブ / 地球電磁気観測 / 電気伝導度 / マントル遷移層 / 水 / 海底電磁力計 / フィリピン海 / 電磁気トモグラフィー / 地球物理長期観測 / 高温高圧実験 / 計算機シミュレーション / 地球進化 / マントル対流 / 海底電磁気観測
Research Abstract

2005年秋から2008年秋までの3年間にわたり,フィリピン海において海底電磁気機動観測を行なった.1年間の設置を3回繰り返し,のべ39箇所の観測とデータ取得をほぼ完全に達成した.また,既存の西太平洋地域の地磁気観測所データ・海底ケーブル電位差データの解析を進め,太平洋マントルの平均的電気伝導度モデルを更新した.海底機動観測データの解析により,フィリピン海の上部マントルおよび遷移層は太平洋やヨーロッパに比べて有意に高電気伝導度であることがわかった.

Report

(6 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • 2004 Annual Research Report

Research Products

(86 results)

All 2009 2008 2007 2006 2005 2004 Other

All Journal Article Presentation Remarks

  • [Journal Article] A joint interpretation of electromagnetic and seismic tomography models suggests the mantle transition zone below Europe is dry2009

    • Author(s)
      Utada, H., Koyama, T., Obayashi, M., Fukao, Y.
    • Journal Title

      Earth Planet. Sci. Lett. 281

      Pages: 249-257

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Ocean Bottom Array Probes Stagnant Slab Beneath the Philippine Sea, EOS2009

    • Author(s)
      Shiobara, H., K. Baba, H. Utada and Y. Fukao
    • Journal Title

      Trans. AGU 90, No.9

      Pages: 70-71

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] A joint interpretation of electromagnetic and seismic tomography models suggests the mantle transition zone below Europe is dry2009

    • Author(s)
      Utada, H., Koyama, T., Obayashi, M., Fukao, Y.
    • Journal Title

      Earth Planet. Sci. Lett 281

      Pages: 249-257

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Ocean Bottom Array Probes Stagnant Slab Beneath the Philippine Sea2009

    • Author(s)
      Shiobara, H., K. Baba, H. Utada and Y. Fukao
    • Journal Title

      EOS, Trans. AGU 90-9

      Pages: 70-71

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Three-Dimensional Geomagnetic Response Functions For Global And Semi-Global ScaleInduction Problems2009

    • Author(s)
      Shimizu, H., Koyama, T., Baba, K., Utada, H.
    • Journal Title

      Geophysical J. Int 177(in press)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Recent progress of the electro-magnetic survey to investigate Earth's interior2009

    • Author(s)
      Kasaya, T., T. Goto, K. Baba, M. Kinoshita, Y. Hamano, and Y. Fukao
    • Journal Title

      JAMSTEC Report of Research and Development 8(印刷中)

    • NAID
      130002148870
    • Related Report
      2008 Annual Research Report
  • [Journal Article] Resistivity structure of Unzen Volcano derived from time domain electromagnetic (TDEM) survey2008

    • Author(s)
      Srigutomo, W., Kagiyama, T., Kanda, W., Munekane, H., Hash imoto, T., Tanaka, Y., Utada, H ., and Utsugi, M.
    • Journal Title

      J. Volcanol. Geotherm. Res 175

      Pages: 231-240

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Impedance tensor of Network-MT and the influencing factors2008

    • Author(s)
      Chen, X.B., Zhao, G.Z., Tang, J., Uyeshima, M., and Utada, H.
    • Journal Title

      Chinese J. Geophys 51

      Pages: 273-279

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Modification of forward part of 3-D MT inversion WSINV3DMT to be applied to seafloor2008

    • Author(s)
      Noriko Tada、Weerachai Siripunvaraporn、Makoto Uyeshima、Kiyoshi Baba、Hisashi Utada
    • Journal Title

      Conductivity Anomaly研究会論文集

    • Related Report
      2007 Annual Research Report
  • [Journal Article] 1-D electrical conductivity structure beneath the Philippine Sea: Results from an ocean bottom magnetotelluric survey2007

    • Author(s)
      Seama, N., K. Baba, H. Utada , H. Toh, N. Tada, M. Ichiki and T. Matsuno
    • Journal Title

      Phys. Earth Planet. Inter. 162

      Pages: 2-12

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Lithospheric Structure of the Continents-Preface2007

    • Author(s)
      Harinarayana T., Junge, A. and Utada H.
    • Journal Title

      Tectonophysics 445

      Pages: 1-2

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 1-D electrical conductivity structure beneath the Philippine Sea: Results from an ocean bottom magnetotelluric survey2007

    • Author(s)
      Seama, N., K. Baba, H. Utada, H. Toh, N. Tada, M. Ichiki and T. Matsuno
    • Journal Title

      Phys. Earth Planet. Inter. 162

      Pages: 2-12

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A geomagnetic total intensity anomaly originated form lightning-induced isothermal remanent magnetization: case of Yatsugatake magnetic observatory, central Japan2007

    • Author(s)
      Shimizu, H, Koyama, T., Koyama, S. and Utada
    • Journal Title

      Earth Planets Space 59

      Pages: 141-149

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] EM monitoring of crustal processes including the use of the Network-MT observations2007

    • Author(s)
      Uyeshima, M.
    • Journal Title

      Surv. Geophys. 28

      Pages: 199-237

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Content in the Mantle Transition Zone Beneath the North Pacific Derived From the Electrical Conductivity Anomaly2006

    • Author(s)
      Koyama, T., H. Shimizu, H. Utada, M. Ichiki, E. Ohtani, and R. Hae, Water
    • Journal Title

      AGU Geophys. Monogr. Ser. 168

      Pages: 171-179

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Water content and geotherm in the upper mantle above the stagnant slab : Interpretation of electrical conductivity and seismic P-wave velocity models2006

    • Author(s)
      Ichiki, M., K. Baba, M. Obayashi and H. Utada
    • Journal Title

      Phys. Earth Planet. Inter. 155

      Pages: 1-15

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Water Content in the Mantle Transition Zone Beneath the North Pacific Derived From the Electrical Conductivity Anomaly2006

    • Author(s)
      Koyama, T., H.Shimizu, H.Utada, M.Ichiki, E.Ohtani, R.Hae
    • Journal Title

      AGU Geophys. Monogr. Ser. 168

      Pages: 171-179

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Hydrogen diffusivity in wadsleyite and waterdistribution in the mantle transition zone2006

    • Author(s)
      Hae, R., E.Ohtani, T.Kubo, T.Koyama, H.Utada
    • Journal Title

      Earth Planet. Sci. Lett. 155

      Pages: 1-15

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Hydrogen diffusivity in wadsleyite and water distribution in the mantle transition Zone2006

    • Author(s)
      Kuvshinov, A., A.Junge, H.Utada
    • Journal Title

      Geophys. Res. Lett. L06314

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Hydrogen diffusivity in wadsleyite and water distribution in the mantle transition zone2006

    • Author(s)
      Hae, R., Ohtani, E., Kubo, T., Koyama, T., Utada, H.
    • Journal Title

      Earth Planet.Sci.Lett. (In press)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Resistivity image of the Philippine Sea Plate around the 1944 Tonankai Earthquake zone d educed by marine and land MT survey2006

    • Author(s)
      Kasaya, T., Goto, T., Mikada, H., Baba, K., Suyehiro, K., Utada, H.
    • Journal Title

      Earth Planets Space 57

      Pages: 209-213

    • NAID
      10017468147
    • Related Report
      2005 Annual Research Report
  • [Journal Article] Water content and geotherm in the upper mantle above the stagnant slab : Interpretation of electrical conductivity and seismic P-wave velocity models2006

    • Author(s)
      Ichiki, M., K.Baba, M.Obayashi, H.Utada
    • Journal Title

      Phys.Earth Planet.Intr. (In press)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 3-D modelling and analysis of Dst C -responses in the North Pacific Ocean region, revisited2005

    • Author(s)
      Kuvshinov, A., H. Utada, D. Avdeev, and T. Koyama
    • Journal Title

      Geophys. J. Int. 160

      Pages: 505-526

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Three-dimensional magnetotelluric inversion : data space method2005

    • Author(s)
      Siripunvaraporn, W., Egbert, G., Lenbury,Y. and Uyeshima, M.
    • Journal Title

      Phys. Earth Planet. Int. 150

      Pages: 3-14

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 3-D modelling and analysis of Dst C -responses in the North Pacific Ocean region, revisited2005

    • Author(s)
      Kuvshinov, A., H.Utada, D.Avdeev, T.Koyama
    • Journal Title

      Geophys.J.Int. 160

      Pages: 505-526

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Interpretation of two-dimensional magnetotelluric profile data with three-dimensional inversion : synthetic examples2005

    • Author(s)
      Siripunvaraporn, W., Egbert, G., Uyeshima, M.
    • Journal Title

      Geophys.J.Int. 160

      Pages: 804-814

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Three-dimensional magnetotelluric inversion : data space method2005

    • Author(s)
      Siripunvaraporn, W., Egbert, G., Lenbury, Y., Uyeshima, M.
    • Journal Title

      Phys.Earth Planet.Int. 150

      Pages: 3-14

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 3-D modelling and analysis of Dst C-responses in the North Pacific Ocean region, revisited2005

    • Author(s)
      Kuvshinov, A., H.Utada, D.Avdeev, T.Koyama
    • Journal Title

      Geophys.J.Int. 160

      Pages: 505-526

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Water content and geotherm in the upper mantle above the stagnant slab : Interpretation of electrical conductivity and seismic P-wave Velocity Models2005

    • Author(s)
      Ichiki, M., K.Baba, M.Obayashi, H.Utada
    • Journal Title

      Phys.Earth Planet.Int. (In press)

    • Related Report
      2004 Annual Research Report
  • [Journal Article] The feasibility of using decadal changes in the geoelectric field to probe Earth' s core2004

    • Author(s)
      Shimizu, H., and H. Utada
    • Journal Title

      Phys. Earth Planet. Int. 142

      Pages: 297-319

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Trans-pacific temperature field in the mantle transition region derived from seismic and electromagnetic tomography2004

    • Author(s)
      Fukao, Y., T. Koyama, M. Obayashi, and H. Utada
    • Journal Title

      Earth Planet. Sci. Lett. 217

      Pages: 425-534

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Trans-Pacific temperature field in the mantle transition region derived from seismic and electromagnetic tomography2004

    • Author(s)
      Fukao, Y., T.Koyama, M.Obayashi, H.Utada
    • Journal Title

      Earth Planet.Sci.Lett. 217

      Pages: 425-434

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Imaging of the stagnant slab beneath the Philippine Sea by seafloor electromagnetic survey: Preliminary report on the observation phase

    • Author(s)
      Baba, K., T. Goto, T. Kasaya, T. Ichikita, N. Tata, T. Koyama, H. Shimizu, M. Uyeshima, & H. Utada
    • Journal Title

      Conductivity Anomaly研究会論文集

    • Related Report
      2007 Annual Research Report
  • [Presentation] Toward 3-D inversion of seafloor MT data collected by Stagnant Slab Project2009

    • Author(s)
      Tada, N., K. Baba, W. Siripunvaraporn, M. Uyeshima, and H. Utada
    • Organizer
      Stagnant Slab Project International Symposium
    • Place of Presentation
      Kyoto
    • Year and Date
      2009-02-26
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] A reference 1-D model of electrical conductivity for the upper mantle beneath the Philippine Sea2009

    • Author(s)
      Baba, K., H. Utada, H. Shimizu, T. Goto, T. Kasaya, N. Tada, T. Koyama, and M. Uyeshima
    • Organizer
      Stagnant Slab Project International Symposium
    • Place of Presentation
      京都
    • Year and Date
      2009-02-26
    • Related Report
      2008 Annual Research Report
  • [Presentation] An indication of electrical anisotropy in the upper mantle beneath the West Philippine Basin2009

    • Author(s)
      Baba, K.
    • Organizer
      Stagnant Slab Project International Symposium
    • Place of Presentation
      京都
    • Year and Date
      2009-02-26
    • Related Report
      2008 Annual Research Report
  • [Presentation] Is the mantle transition zone globally dry? -Observational evidence from electrical conductivity2009

    • Author(s)
      Utada, H., H. Shimizu, K. Baba.
    • Organizer
      Stagnant Slab Project International Symposium
    • Place of Presentation
      京都
    • Year and Date
      2009-02-26
    • Related Report
      2008 Annual Research Report
  • [Presentation] Electrical structure in the mantle across the Mariana subduction system2009

    • Author(s)
      Matsuno, T., N. Seama, K. Baba, T. Goto, A. Chave, R. L. Evans, A. White, G. Boren, A. Yoneda, H. Utada, H. Graham, and K. Suyehiro
    • Organizer
      Stagnant Slab Project International Symposium
    • Place of Presentation
      京都
    • Year and Date
      2009-02-26
    • Related Report
      2008 Annual Research Report
  • [Presentation] Semi-global and regional electrical conductivity models derived from inversion of electromagnetic variation data in the North Pacific Ocean and Philippine Sea2009

    • Author(s)
      Shimizu, H.
    • Organizer
      Stagnant Slab Project International Symposium
    • Place of Presentation
      Kyoto
    • Year and Date
      2009-02-25
    • Related Report
      2008 Final Research Report
  • [Presentation] Completion of three-year observation by BBOBSand OBEM arrays probing the stagnant slab2008

    • Author(s)
      Baba, K., H. Shiobara, T. Goto, H. Sugioka, T. Kasaya, A. Ito, T. Isse, A. Shito, T. Ichikita, T. Kanazawa, H. Utada
    • Organizer
      AGU 2008 fall meeting
    • Place of Presentation
      サンフランシスコ
    • Year and Date
      2008-12-16
    • Related Report
      2008 Annual Research Report
  • [Presentation] On one-dimensional mantle conductivity modeling of 3-dimensional Earth2008

    • Author(s)
      H. Utada, H. Shimizu, K. Baba, T. Koyama
    • Organizer
      AGU 2008 Fall Meeting
    • Place of Presentation
      San Francisco
    • Year and Date
      2008-12-15
    • Related Report
      2008 Final Research Report
  • [Presentation] On one-dimensional mantle conductivity modeling of 3-dimensional Earth2008

    • Author(s)
      H. Utada, H. Shimizu, K. Baba, T. Koyama
    • Organizer
      AGU 2008 fall meeting
    • Place of Presentation
      サンフランシスコ
    • Year and Date
      2008-12-15
    • Related Report
      2008 Annual Research Report
  • [Presentation] Electrical structure beneath the central Mariana subduction fore-arc, arc, back-arc system2008

    • Author(s)
      Matsuno, T., N. Seama, K. Baba, T. Goto, A. Chave, R. Evans, A. White, G. Boren, A. Yoneda, G. Heinson, H. Iwamoto, R. Tsujino, Y. Baba, H. Utada, and K. Suyehiro
    • Organizer
      The 19th International Workshop on Electromagnetic Induction in the Earth
    • Place of Presentation
      中国・北京
    • Year and Date
      2008-10-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] Application of independent component analysis on estimation of electromagnetic response functions in a period range of 104-105 seconds2008

    • Author(s)
      BABA, K. and UTADA, H.
    • Organizer
      International Workshop on EM induction
    • Place of Presentation
      北京
    • Year and Date
      2008-10-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] Three-dimensional geomagnetic response functions for global and semi-global scale induction problems2008

    • Author(s)
      Shimizu H., Koyama T., Baba K., Utada H.
    • Organizer
      International Workshop on EM induction
    • Place of Presentation
      Beijing
    • Year and Date
      2008-10-24
    • Related Report
      2008 Final Research Report
  • [Presentation] Effect of Sq variations on the electromagnetic response functions in the period range between 3 hours and 1 day2008

    • Author(s)
      UTADA, H., YONEDA, A., SHIMIZU, H., BABA, K., PALSHIN, N.
    • Organizer
      International Workshop on EM induction
    • Place of Presentation
      北京
    • Year and Date
      2008-10-24
    • Related Report
      2008 Annual Research Report
  • [Presentation] Three-dimensional geomagnetic response functions for global and semi-global scale induction problems2008

    • Author(s)
      SHIMIZU H., KOYAMA T., BABA K.. UTADA H.
    • Organizer
      International Workshop on EM induction
    • Place of Presentation
      北京
    • Year and Date
      2008-10-24
    • Related Report
      2008 Annual Research Report
  • [Presentation] Modification of a 3-D magnetotelluric forward code considering topography effect in order to estimate 3-D conductivity structures of oceanic upper mantle using inversion method2008

    • Author(s)
      Tada, N., K. Baba, W. Siripunvaraporn, M. Uyeshima, and H. Utada
    • Organizer
      The 19th International Workshop on Electromagnetic Induction in the Earth
    • Place of Presentation
      中国・北京
    • Year and Date
      2008-10-24
    • Related Report
      2008 Annual Research Report
  • [Presentation] Possible Observational constraints on lateral electrical conductivity contrast in the deep mantle2008

    • Author(s)
      H. Shimizu, H. Nagao, and H. Utada
    • Organizer
      International Workshop on Transport Properties in the Lower Mantle
    • Place of Presentation
      Yunishigawa
    • Year and Date
      2008-10-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Possible Observational constraints on lateral electrical conductivity contrast in the deep mantle2008

    • Author(s)
      Hisayoshi. Shimizu, Hiromichi Nazao. and Hisashi Utada
    • Organizer
      International Workshop on Transport Properties in the LOwer Mantle
    • Place of Presentation
      湯西川(栃木)
    • Year and Date
      2008-10-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] Revised electrical conductivity structure of the upper and mid-mantle in the North Pacific region2008

    • Author(s)
      Hisayoshi Shimizu, Takao Koyama, Kiyoshi Baba, and Hisashi Utada
    • Organizer
      地球電磁気・地球惑星圏学会
    • Place of Presentation
      仙台
    • Year and Date
      2008-10-09
    • Related Report
      2008 Annual Research Report
  • [Presentation] 3時間〜1日の電磁気応答関数に見られるSqの影響2008

    • Author(s)
      米田朝美, 清水久芳, 馬場聖至, 歌田久司
    • Organizer
      日本地球惑星科学連合2008年大会
    • Place of Presentation
      幕張メッセ国際会議場
    • Year and Date
      2008-05-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] 中部マリアナ沈み込み・前弧・島弧・背弧系の比抵抗構造2008

    • Author(s)
      松野哲男, 島伸和, 馬場聖至, 後藤忠徳, Alan Chave, Rob L. Evans, Antony White, Goran Boren, 米田朝美, Graham Heinson, 岩本久則, 辻野良輔, 馬場祐太, 歌田久司, 末広潔
    • Organizer
      2008年地球惑星科学連合大会
    • Place of Presentation
      幕張メッセ国際会議場
    • Year and Date
      2008-05-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] Three dimensional geomagnetic response functions for global and semi-global scale induction problems2008

    • Author(s)
      H. Shimizu, T. Koyama, K. Baba, H. Utada
    • Organizer
      日本地球惑星科学連合2008年大会
    • Year and Date
      2008-05-27
    • Related Report
      2008 Final Research Report
  • [Presentation] スタグナントスラブ計画により得られた海底電磁気データの解析2008

    • Author(s)
      馬揚聖至, 後藤忠徳, 笠谷貴史, 一北岳夫, 小山崇夫, 清水久芳, 多田訓子, 上嶋誠, 歌田久司
    • Organizer
      2008年地球惑星科学連合大会
    • Place of Presentation
      幕張メッセ国際会議場
    • Year and Date
      2008-05-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] Three dimensional geomagnetic response functions for global and semi-global scale induction problems2008

    • Author(s)
      Hisayoshi Shimizu, Takao Koyama, Kiyoshi Baba, Hisashi Utada
    • Organizer
      日本地球惑星科学連合2008年大会
    • Place of Presentation
      幕張メッセ国際会議場
    • Year and Date
      2008-05-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] 海底電磁気観測でスタグナントスラブを診る:第1次観測データによるMT/GDSレスポンスと第2次観測速報2007

    • Author(s)
      馬場聖至, 後藤忠徳, 笠谷貴史, 一北岳夫, 多田訓子, 小山崇夫, 清水久芳, 上嶋誠, 歌田久司
    • Organizer
      Conductivity Anomaly研究集会
    • Place of Presentation
      東京
    • Year and Date
      2007-12-17
    • Related Report
      2007 Annual Research Report
  • [Presentation] Challenge to image the stagnant slab beneath the Philippine Sea by seafloor electromagnetic survey2007

    • Author(s)
      Utada, H., K. Baba, T. Goto, T. Kasaya, T. Ichikita, N. Tada, H. Shimizu, T. Koyama, & M. Uyeshima
    • Organizer
      AGU 2007 fall meeting
    • Year and Date
      2007-12-12
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] Upper mantle composition beneath the petit-spot area in northwestern Pacific: Insights from electrical conductivity2007

    • Author(s)
      Baba, K., M. Ichiki, N. Abe, & N. Hirano
    • Organizer
      AGU 2007 fall meeting
    • Place of Presentation
      米国・サンフランシスコ
    • Year and Date
      2007-12-10
    • Related Report
      2007 Annual Research Report
  • [Presentation] 海底電磁気機動観測によりスタグナントスラブを診る-第一次観測の成果-2007

    • Author(s)
      馬場聖至, 後藤忠徳, 笠谷貴史, 一北岳夫, 小山崇夫, 清水久芳, 多田訓子, 上嶋誠, 歌田久司
    • Organizer
      特定領域研究「地球深部スラブ」第3回研究シンポジウム
    • Year and Date
      2007-11-03
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] 中部マリアナ海域における海底地磁気変換関数2007

    • Author(s)
      米田朝美, 馬場聖至, 歌田久司, 島伸和, 松野哲男, 後藤忠徳, A. Chave, R.L. Evans, A. White, G. Boren, G. Heinson
    • Organizer
      海底拡大形の総合研究-InterRidge-Japan研究発表集会-
    • Place of Presentation
      東京
    • Year and Date
      2007-10-31
    • Related Report
      2007 Annual Research Report
  • [Presentation] 海底電磁気機動観測によるスタグナントスラブイメージングへの挑戦2007

    • Author(s)
      馬場聖至, 後藤忠徳, 笠谷貴史, 一北岳夫, 小山崇夫, 清水久芳, 多田訓子, 上嶋誠, 歌田久司
    • Organizer
      第122回地球電磁気・地球惑星圏学会講演会
    • Place of Presentation
      名古屋
    • Year and Date
      2007-09-30
    • Related Report
      2007 Annual Research Report
  • [Presentation] Revised reference structure of the electrical conductivity of the upper and mid-mantle in the North Pacific region2007

    • Author(s)
      Hisayoshi Shimizu, Yuta Bata, Takao Koyama, Kiyoshi Baba, and Hisashi Utada
    • Organizer
      地球電磁気・地球惑星圏学会 第122回講演会
    • Place of Presentation
      名古屋大学
    • Year and Date
      2007-09-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] Seafloor GDS analysis in the central Mariana area2007

    • Author(s)
      Yoneda, A., K. Baba, H. Utada, N. Seama, T. Matsuno, T. Goto, R.L. Evans, A. Chave, G. Boren, A. White, G. Heinson
    • Organizer
      第122回地球電磁気・地球惑星圏学会講演会
    • Place of Presentation
      名古屋
    • Year and Date
      2007-09-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] A semi-global inversion of geomagnetic and geoelectric response functions2007

    • Author(s)
      Utada, H.
    • Organizer
      IUGG XXIV General Assembly
    • Place of Presentation
      Perugia, Italy
    • Year and Date
      2007-07-06
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] Challenge to image deep mantle slab by seafloor electromagnetic survey2007

    • Author(s)
      Baba, K., T. Goto, T. Kasaya, T. Ichikita, T. Koyama, H. Shimizu, M. Uyeshima, & H. Utada
    • Organizer
      IUGG XXIV General Assembly
    • Place of Presentation
      Perugia, Italy
    • Year and Date
      2007-07-06
    • Related Report
      2008 Final Research Report
  • [Presentation] Sensitivity of geomagnetic transfer functions to stangant-slab-type electrical conductivity heterogeneity2007

    • Author(s)
      Hisayoshi Shimizu, Yuta Baba, Takao Koyama, Kiyoshi Baba, Hisashi Utada
    • Organizer
      International Union of Geodesy and Geophysics
    • Place of Presentation
      Perugia, Italy
    • Year and Date
      2007-07-06
    • Related Report
      2007 Annual Research Report
  • [Presentation] Challenge to image deep mantle slab by seafloor electromagnetic survey2007

    • Author(s)
      Baba, K., T. Goto, T. Kasaya, T. Ichikita, T. Koyama, H. Shimizu, M. Uyeshima, & H. Utada
    • Organizer
      IUGG 2007
    • Place of Presentation
      イタリア・ペルージャ
    • Year and Date
      2007-07-06
    • Related Report
      2007 Annual Research Report
  • [Presentation] 海底電磁気機動観測でスタグナントスラブを診る-第1次観測速報-2007

    • Author(s)
      馬場聖至, 後藤忠徳, 笠谷貴史, 一北岳夫, 小由崇夫, 清水久芳, 上嶋誠, 歌田久司
    • Organizer
      日本地球惑星科学連合2007年大会
    • Place of Presentation
      千葉
    • Year and Date
      2007-05-23
    • Related Report
      2007 Annual Research Report
  • [Presentation] 八ケ岳地磁気観測所内磁気異常の時間変化:雷誘導磁化の影響2007

    • Author(s)
      清水久芳、小山崇夫、小山茂、歌田久司
    • Organizer
      2007年地球惑星科学連合大会
    • Place of Presentation
      幕張
    • Year and Date
      2007-05-21
    • Related Report
      2007 Annual Research Report
  • [Presentation] Re-evaluation of linear trend of submarine cable voltages for the study of the Toroidal field variation at the CMB2007

    • Author(s)
      Hisayoshi Shimizu, Hisashi Utada
    • Organizer
      International Workshop on Scientific Use of Submarine Cables and Related Technologies 2007
    • Place of Presentation
      University of Tokyo
    • Year and Date
      2007-04-19
    • Related Report
      2007 Annual Research Report
  • [Presentation] Modification of three-dimensional magnetotelluric inversion WSINV3DMT to be applied to seafloor2007

    • Author(s)
      多田訓子、Weerachai Siripunvara porn、上嶋誠、馬場聖至、歌田久司
    • Organizer
      2007 American Geophysical Union Fall Meeting
    • Place of Presentation
      サンフランシスコ、アメリカ合衆国
    • Related Report
      2007 Annual Research Report
  • [Presentation] スタグナントスラブの3次元電気伝導度構造 -改良版WSINV3DMTを用いて・2007

    • Author(s)
      多田訓子、Weerachai Siripunvaraporn、上嶋誠、馬場聖至、歌田久司
    • Organizer
      平成19年度東京大学地震研究所共同利用研究集会「これからの地磁気観測とCA研究」
    • Place of Presentation
      東京大学地震研究所
    • Related Report
      2007 Annual Research Report
  • [Presentation] 海底電位磁力計データへの適用にむけた3次元MT inversionの改良 -スタグナントスラブ診る-2007

    • Author(s)
      多田訓子、Weerachai Siripunvaraporn、上嶋誠、馬場聖至、歌田久司
    • Organizer
      研究集会「アスペリティのマッピングとモニタリング(EARS)」
    • Place of Presentation
      東京大学地震研究所
    • Related Report
      2007 Annual Research Report
  • [Presentation] 海底データへの適用にむけた3次元MT inversionの改良2007

    • Author(s)
      多田訓子、Weerachai Siripunvarapon、上嶋誠、馬場聖至、歌田久司
    • Organizer
      特定領域研究「地球深部スラブ」第3回研究シンポジウム「深部スラブの物質科学とダイナミクス」
    • Place of Presentation
      愛媛大学
    • Related Report
      2007 Annual Research Report
  • [Presentation] First results of Network-MT survey in Central Japan2006

    • Author(s)
      Uyeshima, M., T. Ogawa, S. Koyama, S. Yamaguchi, H. Toh, H. Murakami, R. Yoshimura, N. Oshiman, T. Kasaya, T. Tanbo, & W. Siripunvaraporn
    • Organizer
      The 18th IAGA Workshop on Electromagnetic Induction in the Earth
    • Place of Presentation
      ElVendrell, Spain
    • Year and Date
      2006-09-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Electrical conductivity in the mantle transition zone beneath the northwestern Pacific : Implication for the presence of water, International Session2006

    • Author(s)
      H. Utada, T. Goto, T. Koyama, H. Shimizu, K. Baba
    • Organizer
      日本地球惑星科学連合2006年大会
    • Year and Date
      2006-05-15
    • Related Report
      2008 Final Research Report
  • [Presentation] Electrical Conductivity In The Mantle Transition Zone Beneath The Northwestern Part of The Pacific And Its Implication For The Presence Of Water2005

    • Author(s)
      H. Utada, T. Goto, T. Koyama, H. Shimizu, M Obayashi, Y. Fukao
    • Organizer
      AGU 2005 Fall Meeting
    • Place of Presentation
      San Francisco
    • Year and Date
      2005-12-08
    • Related Report
      2008 Final Research Report
  • [Presentation] Three-dimensional electrical conductivity structure in the mid-mantle beneath Europe estimated by GDS methods2005

    • Author(s)
      Koyama, T., H. Shimizu & H. Utada
    • Organizer
      IAGA Scientific Assembly
    • Place of Presentation
      Toulouse, France
    • Year and Date
      2005-07-20
    • Related Report
      2008 Final Research Report
  • [Presentation] Water contents in the mantle transition zone beneath the north Pacific derived from the electrical conductivity anomaly2005

    • Author(s)
      Koyama, T., H. Shimizu, H. Utada, E. Ohtani & R. Hae
    • Organizer
      IAGA Scientific Assembly
    • Place of Presentation
      Toulouse, France
    • Year and Date
      2005-07-20
    • Related Report
      2008 Final Research Report
  • [Presentation] An ocean bottom instrument with a 10 km-long cable for long-term measurement of geo-electric field variations2005

    • Author(s)
      H. Utada, H. Shimizu, K. Kawaguchi, T. Goto
    • Organizer
      IAGA General Assembly
    • Place of Presentation
      Toulouse, France
    • Year and Date
      2005-07-20
    • Related Report
      2008 Final Research Report
  • [Presentation] Water contents in the mantle transition zone beneath the north Pacific derived from the electrical conductivity anomaly2004

    • Author(s)
      Koyama, T., H. Shimizu, H. Utada, E. Ohtani & R. Hae
    • Organizer
      American Geophysical Union Fall Meeting
    • Place of Presentation
      San Francisco, USA
    • Year and Date
      2004-12-15
    • Related Report
      2008 Final Research Report
  • [Presentation] マリアナ沈み込み帯上部マントルの電気伝導度構造(1)2001-2002年海底MT観測の成果2004

    • Author(s)
      馬場聖至, 後藤忠徳, 島伸和, 市來雅啓, 歌田久司, 末広潔
    • Organizer
      地球惑星科学関連学会2004年合同大会
    • Place of Presentation
      千葉
    • Year and Date
      2004-05-11
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL
      http://eri-ndc.u-tokyo.ac.jp/jp/ohrc/index.html
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL
      http://ohp-ju.eri.u-tokyo.ac.jp/tokutei/
    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL
      http://ohp-ju.eri.u-tokyo.ac.jp/tokutei/
    • Related Report
      2007 Annual Research Report

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Published: 2004-04-01   Modified: 2018-03-28  

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